干燥中所需空气的体积——将热传给食品使所含水分汽化所需要的空气量要多于将蒸汽运走离开干燥室所需要的空气量。
Volume of air required in Drying-More air is required to conduct heat to the food to evaporate the water present than is needed to transport the vapor from the chamber.
干燥中所需空气的体积——将热传给食品使所含水分汽化所需要的空气量要多于将蒸汽运走离开干燥室所需要的空气量。
Volume of air required in Drying-More air is required to conduct heat to the food to evaporate the water present than is needed to transport the vapor from the chamber.
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